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The clean air delivery rate (CADR) is a figure of merit that is the cubic feet per minute (CFM) of air that has had all the particles of a given size distribution removed. For air filters that have air flowing through them, it is the fraction of particles (of a particular size distribution) that have been removed from the air, multiplied by the ...
Risks from the Covid-19 pandemic and increasingly intense wildfire seasons sparked interest in air purifiers as a tool to keep indoor air healthy. But experts say they can be just as important to ...
As for CADR, the guidelines set by AHAM state that an air purifier’s CADR should “be equal to at least two-thirds of the room’s area. For wildfire smoke, AHAM recommends a smoke CADR equal ...
They found that this design's "effective clean air delivery rate [CADR] increase[d] with fan speed, from about 600 to 850 ft 3 min −1 (1019 to 1444 m 3 h −1)". [3] Based on the cost of their design, this output amounted to $0.08 per CADR, or roughly ten times cheaper than commercial air purifiers, with quieter operation.
Finding the right air purifier for your square footage can help clear your air of contaminants.
An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .
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